CVE-2024-3273:A critical command injection vulnerability exists in the HTTP GET Request Handler of D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L devices, allowing remote attackers to execute arbitrary commands via manipulated arguments.

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Description Preview

CVE-2024-3273 is a command injection vulnerability affecting D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L devices running firmware version 20240403 or earlier. The vulnerability resides in the `/cgi-bin/nas_sharing.cgi` file, where an attacker can exploit the `system` argument through crafted HTTP GET requests. This flaw allows for remote command execution, potentially leading to unauthorized access and control over the affected devices. It is important to note that these products are no longer supported by the vendor, which increases the risk of exploitation. The vulnerability has been publicly disclosed, and exploits may be available.

Overview

  • CVE ID: CVE-2024-3273
  • Affected Products:
    • D-Link DNS-320L (Firmware version 20240403)
    • D-Link DNS-325 (Firmware version 20240403)
    • D-Link DNS-327L (Firmware version 20240403)
    • D-Link DNS-340L (Firmware version 20240403)
  • Vulnerability Type: Command Injection (CWE-77)
  • Severity: High (CVSS 3.1 Base Score: 7.3)
  • Attack Vector: Remote
  • Exploitation: Active, with public disclosure of the vulnerability.

Remediation

Due to the end-of-life status of the affected D-Link products, the recommended remediation is to retire and replace the devices with supported alternatives. Users should ensure that any replacement devices are kept up-to-date with the latest firmware to mitigate potential vulnerabilities. Additionally, network segmentation and access controls should be implemented to limit exposure to untrusted networks.

References

  1. VDB-259284 | D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection
  2. CISA Known Exploited Vulnerabilities Catalog
  3. D-Link Security Publication
  4. Exploit Repository on GitHub

Early Warning

Customers using Armis Early Warning were notified about this vulnerability before it appeared in CISA's Known Exploited Vulnerabilities Catalog, enabling them to assess their exposure and act proactively. Armis offers these examples of CVEs already included in CISA KEV for potential customers. Click here to learn how to receive alerts earlier.

Armis Alert Date
Apr 4, 2024
CISA KEV Date
Apr 11, 2024
7days early

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services: Low
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services: Low
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation: Low
    Arts, Entertainment & Recreation
  5. Construction: Low
    Construction
  6. Educational Services: Low
    Educational Services
  7. Finance and Insurance: Low
    Finance and Insurance
  8. Health Care & Social Assistance: Low
    Health Care & Social Assistance
  9. Information: Low
    Information
  10. Management of Companies & Enterprises: Low
    Management of Companies & Enterprises
  11. Manufacturing: Low
    Manufacturing
  12. Mining: Low
    Mining
  13. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services: Low
    Professional, Scientific, & Technical Services
  15. Public Administration: Low
    Public Administration
  16. Real Estate Rental & Leasing: Low
    Real Estate Rental & Leasing
  17. Retail Trade: Low
    Retail Trade
  18. Transportation & Warehousing: Low
    Transportation & Warehousing
  19. Utilities: Low
    Utilities
  20. Wholesale Trade: Low
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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